Mushure memakore anopfuura makumi mana ekuedza, kunyanya kukurumidza kusimudzira kubva 1978, Chinarare pasiindasitiri yakasangana nekusvetuka kwemhando mudanho rekugadzira uye mhando yechigadzirwa, ichigadzira yakazara maindasitiri system. Parizvino,rare pasikuchenesa muChina
Iko kunyungudutswa uye kupatsanura huwandu hunosvika pamusoro pe130000 matani pagore (REO), uye kugadzirwa kwepagore kwepasi risingawanzo kunosvika pamusoro pe70000 matani, inodarika makumi masere muzana ehuwandu hwekugadzirwa kwenyika. Kugadzirwa kwayo uye vhoriyamu yekutumirwa kunze kwenyika zvese zviri zviviri pasi rose.
Kune anopfuura 170rare pasimabhizinesi ekunyungudutsa nekuparadzanisa muChina, asi mashanu chete ane simba repagore rekugadzirisa rinopfuura zviuru zvishanu zvematani (REO), nemabhizinesi mazhinji ane hunyanzvi hwekugadzirisa hwematani zviuru zana nemazana maviri.
Parizvino, China yakagadzira mabhesi makuru matatu ekugadzira kunyanya akatenderedza matatu makururare pasizviwanikwa:
(1) Wekuchamhemberare pasichigadziko chekugadzira chakagadzirwa neBaotou yakasanganiswarare pasiore seyakagadzirwa, neBaotouRare EarthHigh Tech uye Gansu Rare Earth Kambani semusana. Kune anopfuura 80 mabhizinesi anogadzirarare pasimakemikari akadairare earth chlorideuye carbonate gore negore
Zvinopfuura 60000 matani emakomponi uye 15000 matani eimwe cheterare pasicompounds. Parizvino, vakawandarare pasimabhizinesi anogadzira Baotou ore anoshandisa iyo acid yekunyungudutsa yakagadziridzwa neBeijing Nonferrous Metals Research Institute, uyezve shandisa P204 kana P507 yekubvisa s.kuparadzaniswa, izvoyakakwirira-kuchena ceriuminowanzo kubviswa neiyo oxidation yekubvisa, uye fluorescent giredhieuropium oxideinotorwa nekudzikisa kutorwa. Izvo zvakakosha zvigadzirwa zvinosanganisira imwechete kana yakasanganiswa isingawanzo pasi makomisheni akadailanthanum, cerium, praseodymium, neodymium, samarium, europium, nezvimwewo.
(2) Yepakati uye inoremarare pasichigadziro chekugadzira chinotora maodzanyemba ionic mhando semidziyo yakabikwa, uye inobata ingangoita 20000 matani ezasi ionic mhando.rare pasiores gore negore. Mabhizinesi emusana anosanganisira Guanzhou iyo Pearl River Smelter, Jianyin JiahuaRare EarthFekitari, uye Yixin Xinwei Rare Earth Co., Ltd Kambani, Liyan Luodiya Fangzheng Rare Earth Kambani, Guangdong Yanjiang Rare Earth Factory, nezvimwewo. Maodzanyemba ion mhando migodhi yepasi isingawanzo shandisa ammonium sulfate in situ leaching carbonate precipitation ignition hydrochloric acid dissolution and naph50 asidhi kutorwa kupatsanurwa uye kucheneswa.
Single yepakati kusvika kune inoremazvisingawanzo pasi oxidesuye mamwe akafumiswa makomboni akadaiyttrium, dysprosium, terbium, europium, lanthanum, neodymium, samarium, nezvimwewo.
(3) Kushandisa Mianning fluorocarbon cerium ore muSichuan seyakabikwa, hwaro hwekugadzira hwefluorocarbon cerium ore hwakatangwa muSichuan. Parizvino kune 27 hydrometallurgy zvidyarwa zvine huwandu hwegore negore kuburitsa 15-2000 matani. Iyo yekunyungudutsa kwefluoride ore uyeceriumore inonyanya kusanganisira kugocha oxidation various makemikari ekurapa maitirwo anotorwa kubva pakuita kukuru kwekugocha sulfuric acid leaching, uye zvigadzirwa zviri single kana zvakasanganiswa zvisingawanzo makemikari epasi anonyanya kuumbwalanthanum, cerium,uyeneodymium. Mazhinji emabhizinesi madiki pachiyero, ane yakaderera michina uye tekinoroji level.Theano akawanda ekutanga zvigadzirwa mukatirare pasizvigadzirwa zvekunyungudutsa, zvine hutsanana hwepamusoro uye zvimwechete zvisingawanzo kugadzirwa pasi pevhu zvinofungidzirwa kuti hazvipfuure 5%.
Nguva yekutumira: Nov-02-2023